Plants feel stressed once they roots get exposed to the air. such conditions arises typically when plant is getting transfered to pots or sometimes during exposure to extreme heat, sunlight, or any other physical factors. During such cases the stress is clearly visible by curling of leaves or plant withering. To counter such stress plant must be provided with Salicylic acid ( Dispirin tabet). Plant lovers can push a tablet into soil near its roots. The plant will feel relived soon.
Self sustaining ecosystem is a micro ecosystem where, ideally once the system is introduced with all the necessary nutrients it will never require any further nutrient. This concept comes from an another concept which states, the overall value of Carbon and its forms remains constant. Various other nutrients in the system can also be converted within the system by changing the flora and fauna around the environment. by, this method we can make a cycle of all essential nutrient plant will need in its lifetime. As, the flora and Fauna around the system will allow the flow of various other nutrients in the system such as, Oxygen which is necessary for all plants for production of food. The micro system must be remained sealed to avoid the escape of any gas and specially water vapor from the system. Component which should be given externally is Sun light which can be coped with artificial lighting condition.